Optical lens and optical data capturing device

ABSTRACT

An optical lens, comprising: a first part, comprising a first surface; and a second part, comprising a second surface, a third surface and at least one concave portion. The first surface and the second surface are not parallel with the third surface, the first part protrudes from the third surface, and the first surface and the second surface are connected with the third surface.

CROSS REFERENCE TO RELATED APPLICATIONS

This application is a continuation application of U.S. application Ser.No. 17/148,491, filed on Jan. 13, 2021. The content of the applicationis incorporated herein by reference.

BACKGROUND OF THE INVENTION 1. Field of the Invention

The present invention relates to an optical lens and an optical datacapturing device, and particularly relates to an optical lens which canbe attached to a barrel or an optical sensor without connection devicesand adhesive material, and an optical data capturing device using theoptical lens.

2. Description of the Prior Art

In prior art, connection components such as screws or adhesive materialare needed while attaching an optical lens to a barrel or an opticalsensor. Such method increases the difficulty and cost while assemblingan optical data capturing device comprising the optical lens.

SUMMARY OF THE INVENTION

One objective of the present invention is to provide an optical lens,which can be assembled with other components without connectioncomponents and adhesive material.

Another objective of the present invention is to provide an optical datacapturing device comprising an optical lens, which can be assembled withother components without connection components and adhesive material.

One embodiment of the present application discloses an optical lens,comprising: a first part, comprising a first surface; and a second part,comprising a second surface, a third surface and at least one concaveportion. The first surface and the second surface are not parallel withthe third surface, the first part protrudes from the third surface, andthe first surface and the second surface are connected with the thirdsurface.

Another embodiment of the present application discloses an optical datacapturing device comprising an optical lens, a base, and an aperturecomponent. The optical lens comprises: a first part, comprising a firstsurface; and a second part, comprising a second surface, a third surfaceand at least one concave portion. The first surface and the secondsurface are not parallel with the third surface, the first partprotrudes from the third surface, the first surface and the secondsurface are connected with the third surface. The base comprises atleast one protruding portion configured to assemble with the concaveportion. The aperture component is provided in the base and configuredto cover the optical lens.

In view of above-mentioned embodiments, the optical lens can be attachedto a barrel (an aperture component) or an optical sensor withoutconnection components or adhesive material. Therefore, the process ofmanufacturing the optical data capturing device can be simplified andrelated cost can be reduced.

These and other objectives of the present invention will no doubt becomeobvious to those of ordinary skill in the art after reading thefollowing detailed description of the preferred embodiment that isillustrated in the various figures and drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram illustrating an optical lens according toone embodiment of the present invention.

FIG. 2 is a schematic diagram illustrating the optical lens, which isshown in FIG. 1 , viewed in another direction according to anotherembodiment of the present invention.

FIG. 3 is a schematic diagram illustrating an optical data capturingdevice, according to one embodiment of the present invention.

FIG. 4 is a top of the optical data capturing device illustrated in FIG.3 , according to one embodiment of the present invention.

FIG. 5 is a top view of the optical data capturing device illustrated inFIG. 3 , according to another embodiment of the present invention.

FIG. 6 is a schematic diagram illustrating an optical data capturingdevice, according to one embodiment of the present invention.

FIG. 7 is a top view of the optical data capturing device illustrated inFIG. 6 , according to one embodiment of the present invention.

FIG. 8 is a top view of the optical data capturing device illustrated inFIG. 6 , according to another embodiment of the present invention.

FIG. 9 is a schematic diagram illustrating an example of an opticalmouse using the optical data capturing device provided by the presentinvention.

DETAILED DESCRIPTION

Several embodiments are provided in following descriptions to explainthe concept of the present invention. Besides, the term “first”,“second”, “third” in following descriptions are only for the purpose ofdistinguishing different components, and do not mean the sequence of theelements. For example, a first device and a second device only meanthese devices can have the same structure but are different devices.

FIG. 1 is a schematic diagram illustrating an optical lens 100 accordingto one embodiment of the present invention. FIG. 2 is a schematicdiagram illustrating the optical lens, which is shown in FIG. 1 , viewedin another direction according to another embodiment of the presentinvention. Please also refer to FIG. 2 while referring to FIG. 1 , tounderstand the present invention for more clarity.

As shown in FIG. 1 and FIG. 2 , the optical lens 100 comprises a firstpart P1 and a second part P2. In one embodiment, the first part P1 andthe second part P2 are formed in one piece. The first part P1 protrudesfrom the second part P2 and comprises a first surface S1. The first partP1 also comprises a fourth surface S4, which is configured to receivelight when the optical lens 100 is assembled with an aperture component.In the embodiment of FIG. 1 and FIG. 2 , the fourth surface S4 isopposite to the concave portion CP of the second part P2 andperpendicular with the first surface S1. However, any degrees of anglewhich is not 180° can exist between the first surface S1 and the fourthsurface S4.

The second part P2 comprises a second surface S2 and at least oneconcave portion CP. Also, at least portion of the first surface S1 andat least portion of the second surface S2 are cylindrical. Additionally,the second part P2 further comprises a third surface S3, wherein thefirst surface S1 and the second surface S2 are not parallel with thethird surface S3. That is, any degrees of angle which is not 180° canexist between the first surface S1 and the third surface S3, and anydegrees of angle which is not 180° can exist between the second surfaceS2 and the third surface S3, depending on design requirements. In oneembodiment, the first surface S1 and the second surface S2 areperpendicular with the third surface S3. Besides, please refer to FIG. 2, in one embodiment, the optical lens 100 can comprise a concave portion201, which can be assembled with another component.

In one embodiment, the first surface S1 is configured to assemble withan aperture component, which may comprise a barrel. Also, in oneembodiment, the first surface S1 is configured to assemble with anoptical sensor or an electronic device. Furthermore, in the embodimentsof FIG. 1 and FIG. 2 , a dimension of the second part P2 is larger thanthe first part P1. However, a dimension of the second part P2 can besmaller than the first part P1.

FIG. 3 is a schematic diagram illustrating an optical data capturingdevice 300, according to one embodiment of the present invention. Theoptical data capturing device 300 comprise the optical lens 100illustrated in FIG. 1 and FIG. 2 . However, please note, for theconvenience of explaining, some numerals of the optical lens 100 are notshown in FIG. 3 .

As shown in FIG. 3 , besides the optical lens 100, the optical datacapturing device 300 further comprises an aperture component 301 and abase 303. The aperture component 301, which comprises a barrel 301_1 andan aperture 301_2, is provided in the base 303 and configured to coverthe optical lens 100. Besides, the base 303 comprises at least oneprotruding portion 303_1 configured to assemble with the concave portionCP. The base 303 can be a portion of an optical sensor or an electronicdevice. In one embodiment, the aperture component 301 can be assembledwith the optical lens via the concave portion 201 illustrated in FIG. 2, but not limited.

As shown in FIG. 3 , the first surface S1 of the first part P1 isconfigured to assemble with the aperture component 301, morespecifically, to assemble with the barrel 301_1. Also, the secondsurface S2 is configured to assemble with the base 303. In theembodiment of FIG. 3 , the aperture component 301 touches the firstsurface S1 and the third surface S3, but does not touch the secondsurface. The fourth surface S4 can receive light from the aperture301_2.

As above-mentioned, at least portion of the first surface S1 and atleast portion of the second surface S2 are cylindrical. By suchstructure, while assembling the optical lens 100 with the aperturecomponent 301 and the base 303, the optical lens 100 can be firstlyinserted into the based 303 and then slightly rotate the optical lens100 if the optical lens 100 is not secured with the base 303. Afterthat, the aperture component 301 can be provided on the optical lens100, and then slightly rotate the aperture component 301 if the opticallens 100 is not secured with aperture component 301. By this way, theoptical lens 100 can be secured with the aperture component 301 and thebase 303 without connection components and adhesive material. Further,the tolerance of the dimension of the optical lens 100 can be increasedsince it can be secured with the aperture component 301 and the base 303via the first surface S1 and the second surface S2.

FIG. 4 is a top view of the optical data capturing device 300illustrated in FIG. 3 , according to one embodiment of the presentinvention. In such embodiment, the aperture component 301 is not shown.FIG. 4 clearly illustrates that the optical lens 100 is inside the base303 and is assembled with the base 303 via the second surface S2.

FIG. 5 is a top view of the optical data capturing device illustrated inFIG. 3 , according to another embodiment of the present invention. Insuch embodiment, the aperture component 301 is illustrated. FIG. 5clearly illustrates that the aperture component 301 is provided in thebody 303 and covers the optical lens 100. Light can pass through theaperture 301_2 and is received by the fourth surface S4 of the opticalsensor 101.

In one embodiment, adhesive material can further be used forstrengthening the assembling of the optical lens 100 with the aperturecomponent 301 and/or the base 303. FIG. 6 is a schematic diagramillustrating an optical data capturing device 600, according to oneembodiment of the present invention. In this embodiment, besides thecomponents illustrated in FIG. 3 , the optical data capturing device 600further comprises at least one slot 601_1, 601_2 located between thebase 303 and the aperture component 301, and located between the base303 and the second part P2. The slots 601_1, 601_2 comprise adhesivematerial provided therein, to strengthen the assembling of the opticallens 100 with the aperture component 301 and/or the base 303.

Please note, the number of the slots is not limited to be 2. FIG. 7 is atop view of the optical data capturing device illustrated in FIG. 6 ,according to one embodiment of the present invention. FIG. 7 is similarwith FIG. 6 , but further comprises slots 601_1, 601_2, 601_3 and 601_4.In the embodiment of FIG. 7 , the number of the slots is 4 rather than2. FIG. 8 is a top view of the optical data capturing device illustratedin FIG. 6 , according to another embodiment of the present invention.FIG. 8 is similar with FIG. 6 , but further comprises slots 601_1,601_2. Since some structures in FIG. 6 -FIG. 8 are the same as which inFIG. 3 -FIG. 5 , related descriptions are omitted for brevity here.

FIG. 9 is a schematic diagram illustrating an example of an opticalmouse 900 using the optical data capturing device provided by thepresent invention. As illustrated in FIG. 9 , the optical mouse 900comprises a light source 901 and an optical sensor 903. The light source901 is configured to emit light and the optical sensor 903 is configuredto sense optical data (e.g., image) generated according to reflectedlight of the light emitted by the light source 901. The reflected lightcan pass thorough the aperture 301_2 of the optical data capturingdevice 300, to reach the optical sensor 903. Therefore, the base 303 ofthe optical data capturing device 300 in FIG. 3 can be portion of theoptical sensor 903 or portion of the optical mouse 900. Besides theoptical data capturing device 300, the optical data capturing device 600illustrated in FIG. 6 can be applied to the optical mouse 900 as well.

It will be appreciated that the optical data capturing device providedby the present invention is not limited to be applied to an opticalmouse or an optical navigation device. The optical data capturing deviceprovided by the present invention can be provided to any electronicdevice which can sense optical data, such as a mobile phone with acamera.

In view of above-mentioned embodiments, the optical lens can be attachedto a barrel (an aperture component) or an optical sensor withoutconnection components or adhesive material. Therefore, the process ofmanufacturing the optical data capturing device can be simplified andrelated cost can be reduced.

Those skilled in the art will readily observe that numerousmodifications and alterations of the device and method may be made whileretaining the teachings of the invention. Accordingly, the abovedisclosure should be construed as limited only by the metes and boundsof the appended claims.

What is claimed is:
 1. An optical lens, comprising: a first part,comprising a first surface; and a second part, comprising a secondsurface, a third surface and at least one concave portion; wherein thefirst surface and the second surface are not parallel with the thirdsurface, the first part protrudes from the third surface, the firstsurface and the second surface are connected with the third surface. 2.The optical lens of claim 1, wherein the first surface and the secondsurface are perpendicular with the third surface.
 3. The optical lens ofclaim 1, wherein a dimension of the second part is larger than the firstpart.
 4. The optical lens of claim 1, wherein a dimension of the secondpart is smaller than the first part.
 5. The optical lens of claim 1,wherein the first part further comprises a fourth surface, opposite tothe concave portion and configured to receive light.
 6. The optical lensof claim 5, wherein the fourth surface is perpendicular with the firstsurface.
 7. An optical data capturing device, comprising: an opticallens, comprising: a first part, comprising a first surface; and a secondpart, comprising a second surface, a third surface and at least oneconcave portion; wherein the first surface and the second surface arenot parallel with the third surface, the first part protrudes from thethird surface, the first surface and the second surface are connectedwith the third surface; a base, comprising at least one protrudingportion configured to assemble with the concave portion; and an aperturecomponent, provided in the base and configured to cover the opticallens.
 8. The optical data capturing device of claim 7, wherein theaperture component touches the first surface and the third surface, butdoes not touch the second surface.
 9. The optical data capturing deviceof claim 7, wherein the first surface and the second surface areperpendicular with the third surface.
 10. The optical data capturingdevice of claim 7, wherein the first surface is configured to assemblewith the aperture component.
 11. The optical data capturing device ofclaim 7, wherein the first surface is configured to assemble with thebase.
 12. The optical data capturing device of claim 7, wherein the baseis a portion of an optical sensor or an electronic device.
 13. Theoptical data capturing device of claim 7, wherein a dimension of thesecond part is larger than the first part.
 14. The optical datacapturing device of claim 7, wherein a dimension of the second part issmaller than the first part.
 15. The optical data capturing device ofclaim 7, wherein the first part and the second part are formed in onepiece.
 16. The optical data capturing device of claim 7, furthercomprising at least one slot located between the base and the aperturecomponent, and located between the base and the second part, wherein theslot comprises adhesive material provided therein.
 17. The optical datacapturing device of claim 7, wherein the first part further comprises afourth surface, opposite to the concave portion and configured toreceive light.
 18. The optical data capturing device of claim 17,wherein the fourth surface is perpendicular with the first surface.